For students of cultural and intellectual history, these documents detailing the history of the Library of Congress yield a unique perspective on the evolution of American scholarship and provide valuable insights into the emergence of the library as the hub of a national library network. This microfiche collection and companion printed guide allow convenient, thorough examination of 40,000 pages of the most significant published and unpublished documents from the library's history. Among the varied sources for study are: biographies of each librarian of Congress, all of the library's annual reports through 1985, and documents showing the evolution of the library's professional services.